Phone field problems | WordPress.org

Hi, I set billing phone field as mandatory, but when is completed (when it has info in it) it shows an error saying that the field is mandatory, as it doesn’t seems to be completed, but it is. I deleted the validation for it, but still doesn’t work.
I left it as optional for now and received an order but the phone field info is not on the new order notification email, and it is enable.
I also added a new field that works as mandatory and shows up on the email notification. But, it doesn’t show up on the new order notification at the woocommerce app. The phone field does.
Do you know what might be the issue?
Thanks

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